Question

To get the current number of namespaces in the mongo shell, use ________________

a.

db.system.namespaces.countc()

b.

db.system.namespaces.count(*)

c.

db.system.namespaces.count()

d.

all of the mentioned

Posted under MongoDB

Answer: (c).db.system.namespaces.count()

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. To get the current number of namespaces in the mongo shell, use ________________

Add Comment

Similar Questions

Discover Related MCQs

Q. The __________ feature of collections expires documents after a period of time.

View solution

Q. Capped collections provide __________ management of inserted documents in MongoDB.

View solution

Q. _______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.

View solution

Q. Point out the wrong statement.

View solution

Q. How many does collections GridFS use to store files?

View solution

Q. The default chunk size is changed from 256k to 255k in which version?

View solution

Q. Point out the wrong statement.

View solution

Q. Which of the collection in GridFS stores the binary chunks?

View solution

Q. ___________ is the _id is of the data type chosen for the original document in files collections.

View solution

Q. Which of the following checks and repairs errors and inconsistencies in data storage?

View solution

Q. The files_id field contains the _id of the chunk’s __________ document.

View solution

Q. Which of the following field allows efficient retrieval of chunks?

View solution

Q. Which of the following relationship uses references to describe documents between connected data?

View solution

Q. Point out the correct statement.

View solution

Q. Which of the following is used to avoid the repetition of data in MongoDB schema?

View solution

Q. Point out the wrong statement.

View solution

Q. __________ define what records to select for read, update, and delete operations.

View solution

Q. The ___________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation.

View solution

Q. Which of the following statement is incorrect about documents in MongoDB?

View solution

Q. The ________ References pattern stores each tree node in a document; in addition to the tree node, the document stores the id of the node’s parent.

View solution

View All MCQs on MongoDB

Suggested Topics

Are you eager to expand your knowledge beyond MongoDB? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Java Programming

Level up your coding skills with our Java Programming MCQs. From object-oriented...

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...

MongoDB

Learn the leading NoSQL database with our MongoDB MCQs. Understand everything from...

Operating System

Dive deep into the core of computers with our Operating System MCQs. Learn about...

C Programming

Master one of the most widely used programming languages with our C Programming MCQs....

JavaScript

Strengthen your web development skills with our JavaScript MCQs. Understand core...

Digital Image Processing (DIP)

Delve into the techniques of enhancing digital images with our Digital Image...

Software Engineering

Learn about the systematic approach to developing software with our Software...

R Programming

Unleash the power of statistical computing with our R Programming MCQs. Topics cover...